Cocci (in singular coccus) are spherical-shaped bacteria, while bacilli and spirilli are rod-shaped and spiral-shaped bacteria, respectively (in general, bacteria can be divided into these three categories by shape). Staphylococcus aureus forms irregular clusters of cocci (i.e., grape-like cocci) when viewed through a microscope. Some Gram-positive cocci include, for example, Staphylococcus aureus and Streptococcus pneumoniae. These species are well known to be bacterial pathogens capable of infecting humans.

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Jim and tom are trying to determine whether their ideas are scientific or pseudoscientific. Jim's idea is non-testable, and Tom'

vlabodo [156]

Only toms idea could be scientific since it is testable, can be tested by others, have a hypothesis, and be proven

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12. When two single chains of tetrahedra bond to each other, the result is called a​

12. When two single chains of tetrahedra bond to each other, the result is called a